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Finding the Fourth Proportional to 125,212.65, 187,843.62 and 46,327.56

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Solution

The fourth proportional to 125,212.65, 187,843.62 and 46,327.56 is: 69,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,212.65 : 187,843.62 = 46,327.56 : x
  2. Step 2: Convert to fraction form
    125,212.65/187,843.62 = 46,327.56/x
  3. Step 3: Cross multiply
    125,212.65x = 187,843.62 × 46,327.56
  4. Step 4: Simplify right side
    125,212.65x = 8,702,336,576.17
  5. Step 5: Solve for x
    x = 8,702,336,576.17/125,212.65
  6. Step 6: Final answer
    x = 69,500.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.